常用于肿瘤正电子发射计算机断层显像(PET)的显像剂是() A.11C-CO2 B. 发布时间:2017-08-10 13:19 │ 来源:www.tikuol.com 题型:单项选择题 问题: 常用于肿瘤正电子发射计算机断层显像(PET)的显像剂是()A.11C-CO2B.18F-FDGC.18F-NaFD.15O-H2OE.13N-尿素
题型:单项选择题 ---I don’t know how to write the article assigned by our professor on international trade. --You should have ______ your attention on the lecture that ______ how international situation affects exports and imports across the globe. A.put; concentrate onB.paid; talked aboutC.fixed; dealt onD.focused; focused on 查看答案